If you’ve driven along any interstates or highways in Illinois, there’s a good chance you’ve seen tall plants with spiky flower heads. Teasels have become an increasingly common site across Illinois.

Cutleaf teasel is currently blooming and is the more aggressive of the two invasive teasel species found in Illinois. Ken Johnson Ken Johnson Cutleaf teasel is currently blooming and is the more ...

Every garden has a few thugs. Nice plants with handsome flowers that somehow get too rambunctious and take over. They can choke out other plants as easily as weeds. That happens, in part, because we ...

Teasel is a unique, non-native plant that grows throughout Marin. The flower head is egg-shaped and covered with tiny flowers ranging from off-white to pink to lilac. Its dried flower, with its ...

ADAMS COUNTY, Pa. (WHTM) — Teasels line the sides of a two-lane road in Adams County. Teasels got their name because of their use in weaving. Part of the process of completing a weave, particularly ...

Teasels fall into a group of plants known as forbs. Along with milkweeds and goldenrods, these are plants that are halfway between the delicate, herbaceous species like dandelions and the truly woody ...

Gardeners looking to encourage goldfinches have a number of options, but one plant in particular is known to be especially ...

Sandy, Bedfordshire: There is a beautiful savagery to this plant that begins life as a softie Summer has grown tall around the farm reservoir, and among the living spires and steeples are plants that ...

Here are a few invasive species Wisconsinites should keep an eye out for and how you can identify them. If you have any invasive species on your property, consult fact sheets from the University of ...

Biennial flowers are just what they sound like: They’re flowers that have a two-year life cycle. During their first year, biennials often focus on stabilization–growing roots, stems, and leaves. By ...